function NanoDispMenu(e)
{
	var id = e.id + "u";
	var menu = document.getElementById(id);
	menu.style.display = 'block';
}

function NanoHideMenu(e)
{
	var id = e.id + "u";
	var menu = document.getElementById(id);
	menu.style.display = 'none';
}

var currentdoc = 'nc_doc_pres';
function NanoDisplayDoc(e)
{
	ToggleDisplay(currentdoc);
	currentdoc = e;
	ToggleDisplay(currentdoc);
}